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ONE:"August 22nd, 1914.In designing supports for shafts the strains are easily defined and followed, while the vertical and lateral adjustment, lubrication of bearings, symmetry of supports and hangers, and so on, will furnish grounds for endless modification, both as to arrangement and mechanism. TWO:Examining machines made by the best designers, it will be found that their dimensions bear but little if any reference to calculated strains, especially in machines involving rapid motion. Accidents destroy constants, and a draughtsman or designer who does not combine special and experimental knowledge with what he may learn from general sources, will find his services to [89]be of but little value in actual practice.He paused with a dazed expression as he produced from his big coat a handful of what looked like streaming fire. He gave a glad cry, the cry of a mother who has found some child that she deemed to be lost. He carried the stones to his lips and kissed them.THREE:But even the most perfect mastery of Greek would not284 have made Plotinus a successful writer. We are told that before taking up the pen he had thoroughly thought out his whole subject; but this is not the impression produced by a perusal of the Enneads. On the contrary, he seems to be thinking as he goes along, and to be continually beset by difficulties which he has not foreseen. The frequent and disorderly interruptions by which his lectures were at one time disturbed seem to have made their way into his solitary meditations, breaking or tangling the thread of systematic exposition at every turn. Irrelevant questions are constantly intruding themselves, to be met by equally irrelevant answers. The first mode of expressing an idea is frequently withdrawn, and another put in its place, which is, in most cases, the less intelligible of the two; while, as a general rule, when we want to know what a thing is, Plotinus informs us with indefatigable prolixity what it is not.